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 *
 * This exception is used to indicate errors that occur during SSO authentication
 * and authorization processes. It carries both a message code for internationalization
 * and localization purposes, as well as detailed error information. The message code
 * can be used by the UI layer to display appropriate error messages to users.
 */

# Adding a New Language to Fess

This guide explains how to add internationalization (i18n) support for a new language in Fess.

## Overview

Fess uses a two-tier language support system:

1. **Full UI Translation** (13 languages): Complete user interface translation with label and message files
2. **Search/Analysis Support** (40+ languages): Language-specific text analysis for search indexing

    /** Helper for view-related operations and rendering. */
    @Resource
    protected ViewHelper viewHelper;

    /** Manager for handling application messages and internationalization. */
    @Resource
    private MessageManager messageManager;

    /** Manager for handling HTTP request operations. */
    @Resource
    private RequestManager requestManager;

    // Host names are special:
    //
    //  * Several characters are forbidden and must throw exceptions if used.
    //  * They don't use percent escaping at all.
    //  * They use punycode for internationalization.
    //  * URI is much more strict than HttpUrl or URL on what's accepted.
    //
    // HttpUrl is quite lenient with what characters it accepts. In particular, characters like '{'

      - [Placement Policy](#placement-policy)
      - [Cluster Selection](#cluster-selection)
    - [**Instrumentation**](#instrumentation)
      - [Core Metrics API](#core-metrics-api)
    - [**Internationalization**](#internationalization)
    - [**kubectl (CLI)**](#kubectl-cli-1)
    - [**Networking**](#networking)
      - [Network Policy](#network-policy)
      - [Load Balancing](#load-balancing)

* Top now accepts short forms for "node" and "pod" ("no", "po") ([#39218](https://github.com/kubernetes/kubernetes/pull/39218), [@luksa](https://github.com/luksa))
* Begin paths for internationalization in kubectl ([#36802](https://github.com/kubernetes/kubernetes/pull/36802), [@brendandburns](https://github.com/brendandburns))